Results 11 to 20 of about 78,011 (319)

Teratomas and yolk-sac tumours. [PDF]

Journal of Clinical Pathology, 1976
Nicola J. Brown
openaire   +4 more sources

Change of zinc mobilization and gene expression of key zinc transport proteins between the yolk sac membrane and liver of duck embryonic developing

Poultry Science, 2022
: Zinc (Zn) deposition in egg yolk is essential for the rapid growth and complete development of the avian embryo. Thus, it is crucial to obtain maximal Zn mobilization at an appropriate time during development in favor of the survival of avian embryos ...
S.P. Bai, W. Gao, T. Yuan, X.Y. Ma, L.J. He, L. Huang, S. Wei, C. Liu, W.C. Wang, L. Yang, Y.W. Zhu   +10 more
doaj   +1 more source

Maternal physical activity affects yolk sac size and growth in early pregnancy, but girls and boys use different strategies

Scientific Reports, 2023
This longitudinal study investigated the impact of actigraphy-measured maternal physical activity on yolk sac size during early development. The yolk sac, a transient extraembryonic organ, plays a crucial role in embryonic development and is involved in ...
Alexander Vietheer, Torvid Kiserud, Cathrine Ebbing, Hemamaalini Rajkumar, Øystein Ariansen Haaland, Rolv Terje Lie, Roberto Romero, Jörg Kessler   +7 more
doaj   +1 more source

Primary Nasopharngeal Yolk Sac Tumor: A Case Report [PDF]

Journal of Clinical and Diagnostic Research, 2016
Yolk sac tumour also known as primitive endodermal tumour is the most common malignant germ cell tumour (GCT) in the paediatric age group. Most common sites of involvement are ovaries and testes, but rarely can occur in the extragonadal sites.
Dhanalakshmi Arumugam, Pavithra Thandavarayan, Lalitha Chidambaram, Sudha Boj, Sumathi Marudasalam   +4 more
doaj   +1 more source

Pure primary yolk sac tumor of the endometrium tends to occur at a younger age: A case report and literature analysis

SAGE Open Medical Case Reports, 2021
We present a case of primary yolk sac tumor of the endometrium. This rare tumor occurred in a 43-year-old woman with a pure primary yolk sac tumor. The tumor resembled yolk sac tumor morphology of the ovary.
Huijuan Ge, Rui Bi
doaj   +1 more source

Urachal yolk sac tumor penetrating the bladder as a diagnostic challenge: a case report and review of the literature

Diagnostic Pathology, 2022
Background Yolk sac tumor (YST) is a germ cell tumor. It is primarily located in the gonads but can also occur extragonadally (extragonadal yolk sac tumor - EGYST), most commonly in the pelvis, retroperitoneum or mediastinum.
Vladimír Šámal, Tomáš Jirásek, Vít Paldus, Igor Richter, Ondřej Hes   +4 more
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Cushing’s syndrome caused by ACTH precursors secreted from a pancreatic yolk sac tumor in an adult—a case report and literature review

Frontiers in Medicine, 2023
Here, we report the first adult case of pancreatic yolk sac tumor with ectopic adrenocorticotropic hormone (ACTH) syndrome. The patient was a 27-year-old woman presenting with abdominal distension, Cushingoid features, and hyperpigmentation.
Johnny Yau Cheung Chang, Chariene Shao Lin Woo, Wing Sun Chow, Anne White, Ka Chung Wong, Po Tsui, Alan Chun Hong Lee, Eunice Ka Hong Leung, Yu Cho Woo, Kathryn Choon Beng Tan, Karen Siu Ling Lam, Chi Ho Lee, David Tak Wai Lui   +12 more
doaj   +1 more source

KIT Is Required for Fetal Liver Hematopoiesis

Frontiers in Cell and Developmental Biology, 2021
In the mouse embryo, endothelial cell (EC) progenitors almost concomitantly give rise to the first blood vessels in the yolk sac and the large vessels of the embryo proper.
Alessandro Fantin, Alessandro Fantin, Carlotta Tacconi, Emanuela Villa, Elena Ceccacci, Laura Denti, Christiana Ruhrberg   +6 more
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Yolk sac tumors of the ovary [PDF]

Cancer, 1970
Eighteen instances of ovarian tumor with microscopic pattern similar to that of the testicular tumors which we termed yolk sac or vitelline are presented. In the ovary, though not in the testis, this pattern has often been called “Schiller mesonephroma.” Reasons are given for our preference for the term yolk sac tumor to that of mesonephroma for these ...
Robert W. Huntington, Weldon K. Bullock
openaire   +3 more sources

Yolk sac tumors of the testis [PDF]

Cancer, 1970
The discovery of 2 yolk sac carcinomas of the mouse has established a basis in comparative pathology for the occurrence of this type of tumor in other species with yolk sacs. Grafts and tissue cultures of extra-embryonic yolk sac of the mouse have developed a clear understanding of the types of tissues one might expect in yolk sac carcinomas.
Weldon K. Bullock, Robert W. Huntington, G. Barry Pierce   +2 more
openaire   +3 more sources